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October 21, 2014

October 21, 2014

Posted by **Katherine** on Saturday, February 7, 2009 at 3:01pm.

6a^-2 + 9a^2 all over 3a^-2

The answer is suppose to be 2 + 3a^4

I keep getting the answer as 5.

Can you show me how to solve this problem correctly?

- algebra -
**Reiny**, Saturday, February 7, 2009 at 3:16pmhow about multiplying top and bottom of your fraction by a^2 to get

(6 + 9a^4)/3

= 2 + 3a^4

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